12201211022022 has 192 divisors, whose sum is σ = 29642187085056. Its totient is φ = 3595972423680.

The previous prime is 12201211022009. The next prime is 12201211022083. The reversal of 12201211022022 is 22022011210221.

It is a happy number.

12201211022022 is a `hidden beast` number, since 12 + 201 + 211 + 0 + 220 + 22 = 666.

It is a super-2 number, since 2×12201211022022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12201211021986 and 12201211022004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 656216758 + ... + 656235350.

It is an arithmetic number, because the mean of its divisors is an integer number (154386391068).

Almost surely, 2^{12201211022022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12201211022022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14821093542528).

12201211022022 is an abundant number, since it is smaller than the sum of its proper divisors (17440976063034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201211022022 is a wasteful number, since it uses less digits than its factorization.

12201211022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19315 (or 19312 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12201211022022 its reverse (22022011210221), we get a palindrome (34223222232243).

The spelling of 12201211022022 in words is "twelve trillion, two hundred one billion, two hundred eleven million, twenty-two thousand, twenty-two".